The S/Lab Shift is a work of art by Salomon engineers. After ascending with the bindings in their tech position, you just effortlessly change them back to alpine norm bidings and enjoy full-tilt action on hte downhill. In its down hill position the binding is fully DIN certified. - Two ascending positions: 2 and 10 degrees - Din range 4 - 10 - Weight 1.75 kg/pair - MNC = Multi Norm Certified: suits both Alpine and tech boots - Easy function - XL Wings tip offers the boot proper support Package contains two bindings. Size choice refers to the width of brakes.